Safety envelope



G. ELYBERG SAFETY ENVELOPE Filed Sept. 15, 1922 Ju i Fatenteol Dec 2, i924. 9 3

GEORGE BLYBER-G, 01E REEDSPOR'I, OREGON.

SAFETY ENVELOPE.

Application filed September 13, 1922. Serial No. 587,961.

To all whom it may concern: and the end flap 13 and secured to both Be it known that GEORGE BLYBERG, a through the agency of said gummed edges. citizen of the United States of America, re- The cover flap 12 is gummed throughout siding at Reedsport, in the county of Dougits side and end edges as indicated at 12 5 las and State of Oregon, has invented new to adhere to the exposed rear surfaces of and useful Improvements in Safety Enthe back and both end flaps, and in addition velopes, of which the following is a specithe cover flap carries at one end a locking lication. tongue 15 gummed throughout its inner sur- The object of the invention is to provide face and adapted to be folded around the ena simple and efficient construction of safety velope adjacent to one end and to be termienvelope having sealing means which prenally sealed to the front or main panel by vent the opening of the envelope without dea postage stamp 16 which is of a Width tection; and with this object in view the ingreater than said tongue to overlap the same vention consists in a construction and comand thereby adhesively engage the surface of bination of parts of which a preferred emthe main fold.

bodiment is shown in the accompanying Having described the invention, what is drawings, wherein claimed as new and useful is Figure 1 is a view of an envelope embody- A safety envelope consisting of a main ing the invention as seen when closed and panel provided with bottom and cover flaps sealed. at its side edges and end flaps at its end Figure 2 is a rear view of the same. edges, one of said end flaps being of shorter Figure 3 is a view of the blank from which length than the other and provided with an the envelope is formed and having indicated intermediate gurnmed surface inset from its thereon the gummed surfaces. edges, the longer of said end flaps having a The envelope consists of the main panel gummed edge surface at its free edges, the 10 from the side edges of which extend. the cover flap having a gummed surface at its bottom flap 11 and the cover flap 12 while free edges and being provided with a tongue from the end edges thereof extend the end at one end extending perpendicularly to flaps 13 and 14. In the formation of the enthe length of the main panel and of a length. velope the back flap is folded into overlapwhen the cover flap is folded, to extend ping relation with the main panel and the around the lower edge of the main panel and end flap 13 which is of less length than the across the front face of thelatter to termflap 14 and which is provided with an interinate within the stamp receiving area. mediate gumlned surface 13 is folded over In testimony whereof he affixes his the back flap and secured while the end flap signature.

14 which is gummed at its edges as indicated at 1 F is folded over the back flap GEORGE BLYBERG 

